P057D
Brake Pedal Position Sensor A Circuit High
Generic OBD-II
Real-world scan data
Seen in
30
scans in the past year
Found in
<0.1%
of scans
<0.1%
of scans that found faults
Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.
Common symptoms
What you'll notice
- Check the wiring and connections of the brake pedal position sensor.
- Replace the brake pedal position sensor.
- Inspect and clean the throttle body and throttle position sensor.
- Reset the vehicle's computer system by disconnecting the battery for a few minutes.
- Perform a complete diagnostic scan of the vehicle's systems to identify any additional issues.
Common causes
Most likely first
- Faulty brake pedal position sensor
- Wiring or connection issue with the brake pedal position sensor
- Faulty engine control module (ECM)
- Incorrect adjustment of the brake pedal position sensor
- Other electrical issues in the brake pedal position sensor circuit
How to diagnose & fix
Work through it in order
- Brake pedal feels soft or spongy
- Brake pedal becomes unresponsive or delays in engaging
- Brake lights stay on constantly or don't work at all
- Cruise control may become inoperative or engage unexpectedly
- ABS (Anti
- lock Braking System) or TCS (Traction Control System) warning lights may illuminate on the dashboard
Read & clear P057D yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.